SAWS Contract Solicitations - WECO Disinfection System - SAWS
Aquifer Beaker

Edwards Aquifer

Aquifer Level 686.7'
1/18/19 - Official

The Edwards aquifer and its catchment area in the San Antonio region is about 8,000 square miles and includes all or part of 13 counties in south-central Texas.

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Year-Round Watering Hours

Watering with an irrigation system or sprinkler is allowed any day of the week before 11 a.m. or after 7 p.m.

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Aquifer Level 686.7 | Year-Round Watering Hours

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Contract Solicitations

San Antonio Water System

Solicitation No. CO-00025-GC

Job No. 14-6004

WECO Disinfection System - SAWS
Due Date: 10:00 AM Wednesday, 4/27/16   Estimated Cost: $500,000.00
Status: Selection Approved and Awarded   Awarded: 6/14/16

Awarded Firm:
MGC Contractors, Inc.


Sealed bids are requested by the San Antonio Water System for the construction of the WECO Disinfection System SAWS Project, SAWS Job No. 14-6004.  The project includes the installation of a new 15 mgd bulk sodium hypochlorite dilution system, bulk tank, bulk tank concrete foundation, dilution system, day tank, metering pumps and all associated piping, electrical systems and controls. The project also includes the installation of a temporary gas feed system to be used during construction.


To view additional project information, as well as obtain the plans and specifications for this project, visit our website located at and click on the Business Center.  Then select Bidder, Consultant, and Vendor Registration, which is located on the left-hand side of the screen.  Select the Register Now button and proceed with registration.

For difficulties downloading plans and specifications, contact the Contracting Department at 210-233-3404. For questions regarding this solicitation, technical questions or additional information, please contact Gina

Cappa, Contract Administrator, in writing via email to: or by fax to (210) 233-4385

until 4:00 PM (CT) on April 12, 2016. Answers to the questions will be posted to the web site by 4:00 PM (CT) on April 18, 2016 April 19, 2016 as a separate document or included as part of an addendum.


A non-mandatory pre-bid meeting will be held at 1:30 PM (CT) on April 11, 2016 at the San Antonio

Water Systems Customer Service Building, first floor, Conference Room CR-C145, 2800 U.S. Hwy 281

North, San Antonio, Texas. Followed by a non-mandatory site visit.


Sealed bids will be received by the Contract Administration Division, 2800 U.S. Hwy 281 North, Customer Center Building, Suite 171, San Antonio, Texas 78212, until 10:00 AM (CT), April 27, 2016. Bids will then be publicly opened and read aloud in Contract Administration, CR-C137 Customer Center Building, 2800 U.S. Hwy 281 North, San Antonio, Texas. Each bid must be accompanied by a cashier's check, certified check, or bid bond in an amount not less than five percent of the total bid price.


Non-Mandatory Pre-Bid Meeting
1:30 PM, Monday Apr. 11, 2016
San Antonio Water System Customer Service Building, 2800 U.S. Hwy 281 N, San Antonio, Texas 78212; Conference Room C-145

Addendum 1
Apr 8, 2016
File Type: pdf
Project Photos and Map
Apr 11, 2016
File Type: pdf
Non Mandatory Pre Bid Sign In Sheet.pdf
Apr 11, 2016
File Type: pdf
Addendum 2
Apr 18, 2016
File Type: pdf
Addendum 3
Apr 19, 2016
File Type: pdf
Apr 30, 2016
File Type: pdf
Note: You will be prompted to login to access this document.
Mar 30, 2016
File Type: pdf
Note: You will be prompted to login to access this document.
Bid Opening Results
Apr 27, 2016
File Type: pdf
Bid Tab
May 18, 2016
File Type: pdf

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Plan Holders List
Click here to view plan holders list.